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Related papers: Neutron Scattering Studies of Pyrochlore Compound …

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Neutron scattering studies have been carried out under the magnetic fields H//[0_11] and H//[001] on a single crystal of Nd2Mo2O7, whose Hall resistivity(rhoH) exhibits quite unusual H- and temperature(T)-dependences. Material parameters…

Strongly Correlated Electrons · Physics 2009-11-11 Yukio Yasui , Taketomo Kageyama , Taketo Moyoshi , Minoru Soda , Masatoshi Sato , Kazuhisa Kakurai

We report structural and magnetic properties studies of large high quality single-crystals of the frustrated magnet, Nd$_2$Zr$_2$O$_7$. Powder x-ray diffraction analysis confirms that Nd$_2$Zr$_2$O$_7$ adopts the pyrochlore structure.…

Strongly Correlated Electrons · Physics 2015-05-18 M. Ciomaga Hatnean , M. R. Lees , O. A. Petrenko , D. S. Keeble , G. Balakrishnan , M. J. Gutmann , V. V. Klekovkina , B. Z. Malkin

We present synchrotron x-ray diffraction, neutron powder diffraction and time-of-flight inelastic neutron scattering measurements on the rare earth pyrochlore oxide Nd2Zr2O7 to study the ordered state magnetic structure and cystal field…

Strongly Correlated Electrons · Physics 2016-01-20 J. Xu , V. K. Anand , A. K. Bera , M. Frontzek , D. L. Abernathy , N. Casati , K. Siemensmeyer , B. Lake

We have investigated the physical properties of a pyrochlore hafnate Nd2Hf2O7 using ac magnetic susceptibility \chi_ac(T), dc magnetic susceptibility \chi(T), isothermal magnetization M(H) and heat capacity C_p(T) measurements, and…

Strongly Correlated Electrons · Physics 2015-12-09 V. K. Anand , A. K. Bera , J. Xu , T. Herrmannsdörfer , C. Ritter , B. Lake

We present magnetization and Hall effect measurements on the pyrochlore iridate Nd2Ir2O7. Previous muon spin rotation measurements have shown that the system undergoes an unusual transition at T$_M$ = 110 K into a magnetic phase lacking…

Strongly Correlated Electrons · Physics 2015-06-12 S. M. Disseler , S. R. Giblin , Chetan Dhital , K. C. Lukas , Stephen D. Wilson , M. J. Graf

Neutron diffraction has been used to investigate the magnetic correlations in single crystals of the spin ice materials Ho2Ti2O7 and Dy2Ti2O7 in an external magnetic field applied along either the [001] or [1-10] crystallographic…

Other Condensed Matter · Physics 2009-11-11 T. Fennell , O. A. Petrenko , B. Fak , J. S. Gardner , S. T. Bramwell , B. Ouladdiaf

Neutron scattering has been used to study the magnetic order and spin dynamics of the colossal magnetoresistive pyrochlore Tl_2Mn_2O_7. On cooling from the paramagnetic state, magnetic correlations develop and appear to diverge at T_C (123…

Strongly Correlated Electrons · Physics 2009-10-31 J. W. Lynn , L. Vasiliu-Doloc , M. A. Subramanian

By means of neutron scattering techniques we have investigated the frustrated pyrochlore magnet Ho_2Sn_2O_7, which was found to show a ferromagnetic spin-ice behavior below T \simeq 1.4 K by susceptibility measurements. High-resolution…

Disordered Systems and Neural Networks · Physics 2007-05-23 Hiroaki Kadowaki , Yoshinobu Ishii , Kazuyuki Matsuhira , Yukio Hinatsu

In this study, we performed powder neutron diffraction and inelastic scattering measurements of frustrated pyrochlore Nd$_2$Ir$_2$O$_7$, which exhibits a metal-insulator transition at a temperature $T_{\rm MI}$ of 33 K. The diffraction…

Strongly Correlated Electrons · Physics 2012-02-29 K. Tomiyasu , K. Matsuhira , K. Iwasa , M. Watahiki , S. Takagi , M. Wakeshima , Y. Hinatsu , M. Yokoyama , K. Ohoyama , K. Yamada

We report a single-crystal neutron diffraction study of the layered $\rm Sr_2IrO_4$. This work unambiguously determines the magnetic structure of the system and reveals that the spin orientation rigidly tracks the staggered rotation of the…

Strongly Correlated Electrons · Physics 2013-04-23 Feng Ye , Songxue Chi , Bryan C. Chakoumakos , Jaime A. Fernandez-Baca , Tongfei Qi , G. Cao

We present neutron diffraction measurements in high magnetic fields (0 to 14.5 T) and at low temperatures (2.5, 2.3, 0.77 and 0.068 K) on single crystals of the tetragonal heavy fermion antiferromagnet Ce2RhIn8. For B//[110] the field…

Strongly Correlated Electrons · Physics 2015-06-24 E. G. Moshopoulou , K. Prokes , E. Garcia-Matres , P. G. Pagliuso , J. L. Sarrao , J. D. Thompson

Low-temperature powder neutron diffraction measurements are performed in the ordered magnetic state of the pyrochlore antiferromagnet Gd2Sn2O7. Symmetry analysis of the diffraction data indicates that this compound has the ground state…

Neutron powder diffraction and inelastic measurements were performed examining the 5d pyrochlore Y$_2$Ir$_2$O$_7$. Temperature dependent measurements were performed between 3.4 K and 290 K, spanning the magnetic transition at 155 K. No sign…

Strongly Correlated Electrons · Physics 2014-05-30 M. C. Shapiro , S. C. Riggs , M. B. Stone , C. R. de la Cruz , S. Chi , A. A. Podlesnyak , I. R. Fisher

The orthorhombic compound NdFe$_2$Al$_{10}$ has been studied by powder and single-crystal neutron diffraction. Below $T_N$ = 3.9 K, the Nd$^{3+}$ magnetic moments order in a double-$k$ [$\mathbf{k}_1 = (0, \frac{3}{4}, 0)$, $\mathbf{k}_2 =…

Strongly Correlated Electrons · Physics 2014-12-31 J. Robert , F. Damay , K. Saito , A. M. Bataille , F. Porcher , G. André , A. Gukasov , J. -M. Mignot , H. Tanida , M. Sera

We report a neutron scattering study of the metallic triangular lattice antiferromagnet PdCrO$_2$. Powder neutron diffraction measurements confirm that the crystalline space group symmetry remains $R\bar{3}m$ below $T_N$. This implies that…

Neutron diffraction measurements are presented exploring the magnetic and structural phase behaviors of the candidate J$_{eff}=1/2$ Mott insulating iridate Sr$_2$IrO$_4$. Comparisons are drawn between the correlated magnetism in this single…

Strongly Correlated Electrons · Physics 2013-04-09 Chetan Dhital , Tom Hogan , Z. Yamani , Clarina de la Cruz , Xiang Chen , Sovit Khadka , Zhensong Ren , Stephen D. Wilson

We report a detailed neutron scattering study of the ordering of spins and holes in oxygen-doped La(2)NiO(4.133). The single-crystal sample exhibits the same oxygen-interstitial order but better defined charge-stripe order than that studied…

Strongly Correlated Electrons · Physics 2009-10-30 P. Wochner , J. M. Tranquada , D. J. Buttrey , V. Sachan

We report a comprehensive neutron diffraction study of the crystal structure and magnetic order in a series of single-crystal and powder samples of SrFeO$_{3-\delta}$ in the vacancy range $0 \leq \delta \leq 0.23$. The data provide detailed…

Strongly Correlated Electrons · Physics 2015-06-05 M. Reehuis , C. Ulrich , A. Maljuk , Ch. Niedermayer , B. Ouladdiaf , A. Hoser , T. Hofmann , B. Keimer

We report synchrotron radiation diffraction and muon spin rotation (muSR) measurements on the frustrated pyrochlore magnet Tb2Ti2O7. The powder diffraction study of a crushed crystal fragment does not reveal any structural change down to 4…

Strongly Correlated Electrons · Physics 2014-12-22 P. Dalmas de Reotier , A. Yaouanc , A. Bertin , C. Marin , S. Vanishri , D. Sheptyakov , A. Cervellino , B. Roessli , C. Baines

We have studied the field and temperature dependence of the magnetization of single crystals of Sr3NiIrO6. These measurements evidence the presence of an easy axis of anisotropy and two anomalies in the magnetic susceptibility. Neutron…

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